420674445 has 32 divisors (see below), whose sum is σ = 748924800. Its totient is φ = 224042112.

The previous prime is 420674437. The next prime is 420674453. The reversal of 420674445 is 544476024.

420674445 is a `hidden beast` number, since 4 + 206 + 7 + 4 + 445 = 666.

420674445 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (420674437) and next prime (420674453).

It is not a de Polignac number, because 420674445 - 2³ = 420674437 is a prime.

It is a super-3 number, since 3×420674445³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117441 + ... + 120969.

It is an arithmetic number, because the mean of its divisors is an integer number (23403900).

Almost surely, 2^420674445 is an apocalyptic number.

420674445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

420674445 is a deficient number, since it is larger than the sum of its proper divisors (328250355).

420674445 is a wasteful number, since it uses less digits than its factorization.

420674445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4426 (or 4420 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 36.

The square root of 420674445 is about 20510.3497044785. The cubic root of 420674445 is about 749.2878840685.

The spelling of 420674445 in words is "four hundred twenty million, six hundred seventy-four thousand, four hundred forty-five".